Hyundai Sonata: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according
to the Maintenance Schedule at the beginning of this section.
CALIFORNIA PROPOSITION 65 WARNING
Engine oil contains ...
Checking the coolant level
WARNING
Removing radiator cap
Never attempt to remove the radiator cap while the engine is operating
or hot. Doing so might lead to cooling system and engine damage and could result
in se ...
See also:
Scheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, follow
Maintenance Under Severe Usage ...
Floor mat anchor(s)
When using a floor mat on the front floor carpet, make sure it attaches to the
floor mat anchor(s) in your vehicle. This keeps the floor mat from sliding forward.
WARNING
The following must be ...
Components and Components Location
Component Location
1. Front deicer relay
2. Back up relay
3. IGN2
4. Rain sensor
5. Start #1 relay (H1)
6. HAC relay
7. Wiper relay
8. IGN1
9. Start #2 rela ...
